For those amongst you guys who are aware of the recent changes made to oil formulations (ILSAC GF-5) and are looking for the "best oil" in terms of retained high ZDDP (zinc) addiditve levels, ...here is a handy chart detailing all Mobil1 products:
My driving style is semi spirited, high speed, high rpms, on lots of mountainous roads and highways.
Basia